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Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory
The components of inventory are as follows:
(in thousands)March 31, 2022December 31, 2021
Raw materials$2,217 $2,217 
Work in process19,713 12,566 
Finished goods4,336 4,543 
Total inventories$26,266 $19,326